Family name 冠岩 (冠岩 
) , all around the world, is a very rare last name. The cognomen 冠岩 is habitual in Eastern Asia, particularly China, where it is an extremely rare surname. More prevalently, 冠岩 is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 冠岩 | China |